The Rotur Spacers & Brass Nut set is an essential accessory for any pen turning enthusiast. The set includes three spacers and a brass nut, which are compatible with most standard pen mandrels. The spacers provide additional support for your pen blanks during the turning process, while the brass nut securely fastens the mandrel in place. This set designed and manufactured in the UK from high-quality materials and is built to last, making it a valuable addition to your pen turning kit. Spacers and Brass nut: PM3S